>> That's because whole disks are not in /proc/partitions.
> They are, the problem is mount explicitly skips them
> Why mount does this, I have no idea
There is no very good reason.
Under Linux one customarily partitions disks, but there is
no need to do so. Under BSD I see whole-disk filesystems
more often.
As soon as you file a bug report explaining the skipping
whole disks as possible mountable objects is bad
I'll remove the test.
Andries